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Finding the Fourth Proportional to 35,220,121.40, 49,375,354.60 and 35,220,121.40

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Solution

The fourth proportional to 35,220,121.40, 49,375,354.60 and 35,220,121.40 is: 49,375,354.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,220,121.40 : 49,375,354.60 = 35,220,121.40 : x
  2. Step 2: Convert to fraction form
    35,220,121.40/49,375,354.60 = 35,220,121.40/x
  3. Step 3: Cross multiply
    35,220,121.40x = 49,375,354.60 × 35,220,121.40
  4. Step 4: Simplify right side
    35,220,121.40x = 1,739,005,983,180,048.50
  5. Step 5: Solve for x
    x = 1,739,005,983,180,048.50/35,220,121.40
  6. Step 6: Final answer
    x = 49,375,354.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.